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JOHN S. THOMSON AND KELLY GIRVIN, OF BROOKLYN, NEW YORK.

Letters Patent No. 83,890, dated November 10, 1868; antedate' October 22, 1868i.

IMPROVEMENT IN MACHINE FOR SIZING- YARN.

'.l .11e` Schedule referred to in these Lettera Patent and making part of the same.

To all whom it may concern:

Be it known that we, JOHN SJTHoMsoN and KELLY Gravin, of Brooklyn, in the county of Kings, in the State of New York, have invented a new and nseffil Hand-Machine for Sizing Twiueand Yarn; and .we do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and the letters of reference marked thereon.

The nature of our invention consists in making and adapting a machine for use in sizing twine when stretched in an ordinary hand-spinners walk, where the twine is stationary, and. the machine is to be moved along the stretched twine.

To enable others skilled in the art to make and use our invention, we will proceed to describe the manner of making and using it.

In the drawings- Figure l is a perspective View of the machine in positionl for use, showing a body of stretched twine between the rollers.

Figure 2 is a vertical sectionrof the machine, in the line :1s-x, iig. 1.

Like letters, in the4 derent drawings, denote like parts.

A is a water-tight br.

-B is a roller.

f is a felt covering to the roller B.

O is a roller, which may be used either with or without a felt covering.

a a are bearings for the shaft of the roller B, and which slide up and down in the grooves it h, on the sides ofthe box A.'

b b are bearings to the shaft of the roll O, which slide in the grooves ci el.

ce are wedges, which are fitted to work in mortises, in the uprights G G,`and which secure the bearings b b in the grooves 'i i. n

.D is a spring, which is provided with a cross-bar, g, on which the bearings of the roller-B rest, and which permits of the roller B to accommodate itself to the thickness of twine, and, at the same time, exercise a sniieient pressure to keep the twine separated, and from overlayin g. E is a brush.

el is a body oi twine in position to he sized'.

F F are handles hinged at j j.

The operation of the sizing-machine is as follows: Remove the wedges c, and take out the roller C; pour the sizing into the box A; then bring the roller B against the under side of the body of stretched twine; then place the 'roller O in position, and secure it in place with the wedges c e,- tnrn up the handles F F., when the sizing may be effected by moving the machine along the stretched twine 'om one end of the walkto the other. l

The brush is placed at the rear end of the machine, and will scrape oi the sln'plus sizing which the roller B may have deposited upon the twine.

The rollers are caused to revolve, when the machine is moved along, by means of Ithe friction of the twine against the rollers, caused by the pressure of the spring D on the lower roller.

The working of the machine herein described has been thoroughly tested, and is now in practical use for sizing hand-spun twine, and is found to be ameans of saving both time and material 5. also, doing the work more evenly and eectually than the mode now practised by hand-spinners to size their Work.

Having thus described our invention, V

'We claim the combination of rollers B and O, wedges c, spring D, brush E, and box A, provided with handles F, or their equivalents, when constructed, arranged, and operating substantially as and for the purposeset forth.

JOHN S. THOMSON. Y KELLY GIRVlN. Witnesses:

Orme. E. FRos'r, GEO. T, PALMER. 

